noun (n)

• a rotund individual(noun.person)

  Synonym:
  fat person, fatso, fatty, roly-poly
  Antonym:
  scrag, skin and bones, thin person
  

  source: wordnet30
• small North American diving duck; males have bushy head plumage(noun.animal)

  Synonym:
  bucephela albeola, bufflehead, dipper
  

  source: wordnet30
• The buffel duck.(noun)

  source: webster1913